-4n^2+6n-16=5n^2

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Solution for -4n^2+6n-16=5n^2 equation:


Simplifying
-4n2 + 6n + -16 = 5n2

Reorder the terms:
-16 + 6n + -4n2 = 5n2

Solving
-16 + 6n + -4n2 = 5n2

Solving for variable 'n'.

Combine like terms: -4n2 + -5n2 = -9n2
-16 + 6n + -9n2 = 5n2 + -5n2

Combine like terms: 5n2 + -5n2 = 0
-16 + 6n + -9n2 = 0

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
1.777777778 + -0.6666666667n + n2 = 0

Move the constant term to the right:

Add '-1.777777778' to each side of the equation.
1.777777778 + -0.6666666667n + -1.777777778 + n2 = 0 + -1.777777778

Reorder the terms:
1.777777778 + -1.777777778 + -0.6666666667n + n2 = 0 + -1.777777778

Combine like terms: 1.777777778 + -1.777777778 = 0.000000000
0.000000000 + -0.6666666667n + n2 = 0 + -1.777777778
-0.6666666667n + n2 = 0 + -1.777777778

Combine like terms: 0 + -1.777777778 = -1.777777778
-0.6666666667n + n2 = -1.777777778

The n term is -0.6666666667n.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667n + 0.1111111112 + n2 = -1.777777778 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667n + n2 = -1.777777778 + 0.1111111112

Combine like terms: -1.777777778 + 0.1111111112 = -1.6666666668
0.1111111112 + -0.6666666667n + n2 = -1.6666666668

Factor a perfect square on the left side:
(n + -0.3333333334)(n + -0.3333333334) = -1.6666666668

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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